workflow: forgejo

.forgejo/workflows/docker-forgejo.yml

@@ -0,0 +1,102 @@
+name: Publish Docker image (Forgejo)
+
+on:
+  workflow_dispatch:
+    inputs:
+      registry:
+        description: 'Forgejo container registry host (e.g. codeberg.org)'
+        required: true
+        type: string
+        default: 'codeberg.org'
+      image:
+        description: 'Image path within the registry (e.g. owner/misskey)'
+        required: true
+        type: string
+        default: 'misskey/misskey'
+      tag:
+        description: 'Tag to publish (e.g. latest, develop, 2025.x.x)'
+        required: true
+        type: string
+        default: 'latest'
+
+env:
+  REGISTRY_IMAGE: ${{ inputs.registry }}/${{ inputs.image }}
+
+jobs:
+  # see https://docs.docker.com/build/ci/github-actions/multi-platform/#distribute-build-across-multiple-runners
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm64
+    steps:
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
+      - name: Check out the repo
+        uses: actions/checkout@v6.0.2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v4
+      - name: Log in to Forgejo container registry
+        uses: docker/login-action@v4
+        with:
+          registry: ${{ inputs.registry }}
+          username: ${{ secrets.FORGEJO_REGISTRY_USER }}
+          password: ${{ secrets.FORGEJO_REGISTRY_TOKEN }}
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v7
+        with:
+          context: .
+          push: true
+          platforms: ${{ matrix.platform }}
+          provenance: false
+          labels: ${{ inputs.tag }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+      - name: Upload digest
+        uses: actions/upload-artifact@v7
+        with:
+          name: digests-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v8
+        with:
+          path: /tmp/digests
+          pattern: digests-*
+          merge-multiple: true
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v4
+      - name: Log in to Forgejo container registry
+        uses: docker/login-action@v4
+        with:
+          registry: ${{ inputs.registry }}
+          username: ${{ secrets.FORGEJO_REGISTRY_USER }}
+          password: ${{ secrets.FORGEJO_REGISTRY_TOKEN }}
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create --tag ${{ env.REGISTRY_IMAGE }}:${{ inputs.tag }} \
+            $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ inputs.tag }}